| NOUN | phenomenon | red shift, redshift | (astronomy) a shift in the spectra of very distant galaxies toward longer wavelengths (toward the red end of the spectrum) |
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| Meaning | (astronomy) a shift in the spectra of very distant galaxies toward longer wavelengths (toward the red end of the spectrum); generally interpreted as evidence that the universe is expanding. | |
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| Synonym | redshift | |
| Category | astronomy, uranology | The branch of physics that studies celestial bodies and the universe as a whole |
| Broader | propagation | The movement of a wave through a medium |
| Spanish | corrimiento al rojo | |
| Catalan | desplaçament cap al roig | |
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